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How to get rid of mice in house walls

Updated March 23, 2017

Having mice in your home is much more than a simple nuisance. Mice are pests which can cause damage to your home and spread disease. When these creatures set up residence in your walls, they will chew through insulation, plasterboard and even electrical wires. They will also enter your kitchen or pantry in search of food -- evidence of which can be found by holes in food packaging and mice faeces in your food storage areas. It is important to begin the process of ridding your home of mice as soon as you notice an infestation. Because of their quick reproductive cycles, a few mice in your walls can multiply at a dramatic rate, creating a big problem in a short period of time.

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  1. Eliminate exterior access points to your home by sealing cracks and other points of entry tightly. Mice can fit through a hole that is as small as a 20p piece, so don't just concentrate on sealing large openings. When inspecting the perimeter of your home, keep in mind that mice can enter through holes that are up to 60 cm (2 feet) above the ground.

  2. Clear brush and overgrown plants from around the perimeter of your house. By keeping the exterior of your home free from shrubs and other possible hiding places, mice will be less likely to spend time around your home.

  3. Keep rubbish bins far away from your home. Mice will happily visit your bins looking for sources of food, so it is important that these containers be kept as far away from the house as possible.

  4. Place mousetraps in your kitchen, pantry and along the walls of your home. There are a variety of traps to choose from -- including those that kill mice instantly and those that catch mice so that they can be freed outside. If you choose to free the mice you find in your home, it is best to set them free as far away from your home as possible so that they won't be able to return.

  5. Spray peppermint extract along the perimeter of interior and exterior walls. Mice have a strong aversion to mint and will avoid going near these areas of the home.

  6. Clean your house thoroughly to look for possible food sources, entry points and nests in your home. Mice prefer to stay hidden, so pay particular attention to wardrobes, basements and cupboards. If you find any evidence of mice -- such as mouse faeces, unexplained holes in the walls or piles of insulation -- clean the area well, remove sources of food and eliminate access points to the area by plugging holes in the wall.

  7. Warning

    Be wary of using poisons to kill mice in your home. Not only is mouse poison dangerous to your family and pets, but it will cause the mice to die in your home -- potentially in hard to reach areas such as interior walls. This will cause a very unpleasant smell of decaying carcases that will be hard to eliminate.

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Things You'll Need

  • Peppermint extract
  • Mouse traps

About the Author

Lynn Burbeck is a professional writer with over five years of experience writing for the Web. She has published numerous articles for print and online media including "Grit" Magazine. Burbeck holds a B.A. in journalism and political science.

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